A view of the Spire and Sigil from the Outlands.
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THE PATHS BETWEEN THE PLANES, by Tony DiTerlizzi, from the Planescape Campaign Setting.
Fair use rationale: The image is one of the few which represent Planescape fictional locations, and no free image exists.
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Sigil Basic information Traits Sigil (pronounced/'sɪg.ɪl/), also frequently known as the Cage or...